Auth bypass in F Prompts.chat
CVE-2026-22663
prompts.chat prior to commit 7b81836 contains multiple authorization bypass vulnerabilities due to missing isPrivate checks across API endpoints and page metadata generation that allow unauthorized users to access sensitive data associated with private prompts. Attackers can exploit these missing authorization checks to retrieve private prompt version history, change requests, examples, current content, and metadata including titles and descriptions exposed via HTML meta tags.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (18.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- F Prompts.chat — versions 0
- Fka Prompts.chat
Weakness classification (CWE)
References
- github.com/f/prompts.chat/pull/1104 (issue-tracking, Patch, Issue Tracking, Vendor Advisory)
- github.com/f/prompts.chat/commit/7b81836b214f2796aaf37ded2944eadc978afd35 (Patch, patch)
- www.vulncheck.com/advisories/prompts-chat-authorization-bypass-information-disc… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-22663?
- CVE-2026-22663 is a high-severity vulnerability in F Prompts.chat, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-04-03.
- How severe is CVE-2026-22663?
- High severity. CVSS v3 base score is 7.5 out of 10.